1980 Mount St. Helens eruption
The eruption of 18 May 1980 in Washington state was accompanied by a landslide that displaced water and raised a wave. Conservative figures for the wave height range from 300 to 500 feet.
- Date and time (UTC)
- 1980-05-18
- Highest recorded water height (m)
- 250
- Cause, as the catalogue records it
- volcano and landslide
- NCEI event page
- www.ngdc.noaa.gov/hazel/view/hazards/tsunami/event-more-info/3018
Category: Disasters & Incidents
Tags: volcano, landslide, washington, lake
Coordinates: 46.2, -122.18
Part of Tsunamis with waves of 30 metres or more since 1950
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